S

Sikhar Chaudhary • 4.55K Points
Extraordinary Geography

Q. The ultra violet radiations of the Sun do not reach the Earth because the upper layers of the atmosphere contain

  • (A) helium
  • (B) ozone
  • (C) oxygen
  • (D) hydrogen
  • Correct Answer - Option(B)
  • Views: 550
  • Filed under category Geography

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